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Test ID GLYCC Glycine Receptor Alpha1 IgG, Cell Binding Assay, Spinal Fluid

Specimen Required

Container/Tube: Sterile vial

Specimen Volume: 2 mL

Useful For

Evaluating patients with suspected autoimmune stiff-person spectrum disorders (stiff-person syndrome, stiff-limb, stiff trunk, or progressive encephalomyelitis with rigidity and myoclonus [PERM]) using spinal fluids specimens

Method Name

Live Cell-Binding Assay (LCBA)

Reporting Name

Glycine Alpha1 LCBA, CSF

Specimen Type


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
CSF Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reference Values


Day(s) Performed


Report Available

5 to 10 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
GLYCC Glycine Alpha1 LCBA, CSF 96497-3


Result ID Test Result Name Result LOINC Value
606973 Glycine Alpha1 LCBA, CSF 96497-3


If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.